Fault history sub screen – TCI HGA Manual User Manual
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Table 7.12 – Fault Codes
Fault
Code
Critical or
Non-critical Fault
Auto or Manual
Reset
Fault Description
10
Critical
Manual*
Desat (IGBT Gate Driver) Fault
Phase A
20
Critical
Manual*
Desat (IGBT Gate Driver) Fault
Phase B
30
Critical
Manual*
Desat (IGBT Gate Driver) Fault
Phase C
1000
Non-critical
Auto
DC Bus Overvoltage
1250
Non-critical
Auto
DC Bus Undervoltage
3000
Non-critical
Auto
Overcurrent on Phase A
3010
Non-critical
Auto
Overcurrent on Phase B
3020
Non-critical
Auto
Overcurrent on Phase C
4000
Critical
Power Cycle**
Overtemperature
4250
Non-critical
Auto
Undertemperature
7000
Non-critical
Auto
Calibration Fault
7010
Non-critical
Auto
Communications Fault
Unit N
Faulted
Non-critical
Auto
Fault location indication. Fault
originated in Unit N where N is in
the range 1 to 8. For factory
configured parallel systems the
unit numbers are sequential
ordered from left to right when
looking at the front of the
system. Unit 1 is the left most
unit in the system.
*Critical faults flagged with a manual reset require a HMI stop button or run/stop switch stop command at the
unit to clear.
**Critical faults flagged with a power cycle reset require a manual on/off power cycle of the unit to clear.
Fault History Sub Screen
The “Fault History” sub screen (See Figure 7.12) contains up to 120 entries that mark the onset and clearing
of system faults. At the onset of a fault condition an entry will be generated in the fault history marked with
an “O” on the left side of the fault entry. When a fault clears an entry will be generated in the fault history
marked with an “X” on the left side of the fault entry.
The Fault History persists through power on/off cycles. In the event the fault history log exceeds the max
number of 120 entries the oldest entry will be overwritten by new entries.